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The HOT RODS KTM 8666 Connecting Rod Kit offers a reliable and durable solution for high-performance engine rebuilds and custom builds. Crafted from certified 8620 AISI steel, these connecting rods deliver superior strength and longevity, making them an ideal choice for demanding applications. The crankpins are manufactured from hot-rolled ASTM 4115 steel and case hardened to a level of 58-62 Rc, ensuring exceptional durability under high-stress conditions. Featuring the latest in caged needle roller bearing designs, these rods maintain high rpm longevity by reducing friction and wear during extended operation.
The design incorporates strategically located side scalloping and vent slots on the big end to minimize bearing race distortion at elevated RPMs, contributing to consistent performance and reliability. The small ends are double drilled to provide extra lubrication and cooling to the wrist pin bearing, which is crucial when the piston crown is positioned close to the wrist pin. Shot-peening treatment is applied to eliminate surface stress risers and to smoothly blend the forging’s radii, enhancing fatigue resistance. Additionally, double honing creates an ultra-round bearing surface, further ensuring smooth operation at high speeds.
Most rod assemblies are sold complete with the rod, crank pin, crank pin bearing, top-end bearing, and silver-coated bronze phosphor thrust washers, offering a comprehensive upgrade solution. Made in the USA, this kit is compatible with Hot Rods and OE crankshafts, making it suitable for a variety of high-performance engine rebuilds, especially in KTM applications. Whether you're restoring a vintage engine or building a custom high-performance setup, the HOT RODS KTM 8666 Connecting Rod Kit provides the strength, precision, and reliability needed for demanding riding conditions and high RPM applications.
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